Explore most commonly asked questions around angle grinders from FEIN.
What should you not use an angle grinder for?
You should avoid using an angle grinder on materials it's not designed for, such as thin, flexible materials like plastic or wood (unless with specific attachments), due to the risk of kickback. Angle grinders are not suited for precision tasks like drilling or driving screws. FEIN's Protago safety angle grinder andCG 15 models are ideal for high-demand applications like metalworking. Still, it's important to use these tools only for the tasks they're designed to handle.
What is the best size of an angle grinder?
The best size depends on the job. 4.5-inch grinders are the most common and versatile, ideal for DIY and light industrial work. Larger grinders, like 7 or 9-inch models, are suited for heavy-duty tasks. FEIN offers both compact 4.5-inch models like theCG 15-125 BL for detailed work and larger grinders for more demanding applications.
What size angle grinder do I need?
The size of the angle grinder you need depends on the task. A smaller 4.5-inch grinder is usually sufficient for cutting or grinding metal. For cutting through masonry or performing heavy-duty tasks, consider a larger model which provides more power and cutting depth.
Can an angle grinder be used as a polisher?
Yes, an angle grinder can be used as a polisher with the correct attachment, such as a backing pad and polishing discs. FEIN's range of grinders, particularly models like theWSG 7-115, can be equipped with polishing accessories to smooth and finish surfaces. However, it's crucial to use lower speeds to avoid damaging the surface.
Which angle grinder is best for metalworking?
For metalworking, you need a grinder that offers both power and precision.FEIN's CG 15 is an excellent choice, featuring a brushless motor and safety features tailored for grinding and cutting metal. TheProtago is also recommended for metalworking in environments prioritising safety due to its automatic shutdown feature during kickback.
How to change the disc on an angle grinder?
To change the disc on a FEIN angle grinder, first, ensure the tool is unplugged or powered off. Use the spindle lock to secure the disc, then use a wrench to loosen the flange nut. Remove the old disc, place the new one on the spindle, and tighten the flange nut. Some FEIN models, like the CG 15, come with quick-change features that allow you to change discs without the need for tools.
How to use an angle grinder?
To use an angle grinder:
- Wear proper safety gear, including gloves, goggles, and hearing protection.
- Secure the material you're working on.
- Hold the grinder firmly with both hands and start the tool before contacting the surface.
- Use the appropriate disc for the job and maintain control of the grinder. FEIN's grinders are equipped with ergonomic handles and safety features to help maintain control and reduce fatigue.
What is an angle grinder used for?
An angle grinder is a versatile tool used for cutting, grinding, deburring, and polishing materials such as metal, masonry, and wood (with the right accessories). FEIN's angle grinders, like the CG 15 and Protago, are designed for industrial applications, providing reliability and safety in heavy-duty tasks.
Can you sand with an angle grinder?
Yes, an angle grinder can be used for sanding if equipped with a sanding disc or flap disc. FEIN grinders can be fitted with sanding accessories to smooth down surfaces or remove paint and rust.